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Thanks for finding it. I thought HN doesn't allow duplicate submissions from the exact same URL. Weird.

• Kliment 16y ago
  It doesn't, but they expire. So once some time has passed you can submit the same URL again. Some things keep popping up here every few months, and some deservedly so. I do wish there was a way to get an autolink to the old threads though. As it is, someone finds it quickly enough, but why not automate it?